Furnace for dry distillation of waste liquors and similar masses



Feb. 12 192 4. 1,4 3,554

v E. L. RINMAN ET AL FURNACE FOR DRY DISTILLATION OF WASTE LIQUORS AND SIMILAR MASSES Filed June 6. 1921 fiJ'Ven/O/J Em Luovl RINMAN 'GUNNAR FHEDRIK MAGNUSON By 427% MW,

C II afurnace for this [the-heat required so. to thelsam'e Patented Feb. 12, 1924. g I- I UNITED STATES PATENT ()FFICE.

mix LUDVIG mum, or nwnsirorlm, am) erman rnnnnrx monuserz, or sxosnamz, rim mnsran, swnnnn, nssrcnons 'ro axrmnoracm cELLULosii, or s'rocxnomr, swarms, a comm or swarm.

- FURNACE FOR DR DIBTILLATION OF WASTE LIQUOKS AND. SIMILAR IABSEB.

Application fled June 8,}921. Serial I6. 475,288.

To 'allwhom it may concern: gases fiowin through such a passage will I Be it known thatwe, ERIK Louvre Rmsweep direct g against the upper surface' MAN and GUNNAR FREDRIK MAGNUSON, sub of a ayer an simultaneously heat indirectjects of the King of Sweden, and resi-- ly from below the layer on the floor imme- I dents re ctively, of Djursholm, Sweden, diatel above The distillation chamberis and kog all, near Karlstid, Sweden, have suitab y provided at one end with an open 00 invented a new and useful -Improvement in ing' for introducing and removing the Furnaces for D Distillation of Waste trucks, and communicates at the opposite Li acts and Similar Masses, of which the end withthe heatchamber throu h an open- 10 f6 owinggis ill-specification. mg arranged in such manner t at the in- .-'1he present invention relates toa furnace nerniost truck of the row ma betightly U fordry distillatiomof waste liquors, for. inconnected with the opening. n this manatance from pulp mills; and similar masses. ner the gases'flowing from the heat cham- The-inventors have previously constructed 'berarecaused to flow directl into the horiurpose-in which furnace zontal passages formed by t e floors of the ibr the dry distillation is trucks. Iirorder to distributethe gases in N supplied to themes to be distilled directl the proper manner into the difl'erent pas- "throughthegases of distillation, or throng sages it is preferred to provide in said 1 said --to'gether with steam supplied ogning connecting the heat chamber with by such gases being altert distillation chamber one or several parjnatoly brou' ht into contact with thema'ss titions, immediately in front of which dis- II and with 1 eat radiators located in a tributing artitions the fan is placed which '-heat chamber communicating with the dis- .serves to orce the see through the digiltillation chamber of: the furnace. In ,the lation chamber so t at the heated gases beractical use of this furnace it has been come well mixed with each other immediateound,h'owever, that it possesses a .few dis lfy before they are distributed into the dif- O0 advantages one of which is that the resisterent passages. v

ance to the movement of the gases in the .In the accompanying drawing an embodifurnace becomes so great that much ower ment of the invention is-illustrated by way tl'isconsumed' for driving the-fan pr mm; of erample. Fig. 1 shows a vertical longithe-circulation of the gases, and the other tudinal section through the distillation I of which disadvantages is that a time-wastchamber and thet'rucks in said chamber. of ing and expensivevmanual labour is required a distillation furnace according to the infor charfiilng the trucks with the mass to he, vention, and Fig. 2 shows the same furnace ll dry disti ed and for removing the resi ue in horizontal section throu h the distillaof the dry distillation from thetrucks. tion chamber and the heat c amber. Fi 3' so .These disadvantages are very much deis a transverse section on the line A-- in creased in the furnace forming the subject Fig. 1 and Fig. 4 is a section on the line of the present invention, anda few other C- -DID Fig. 1.

to im roveinents have also been made. The furnace illustrated consists of an einvention' consists principallly in this elongated distillation chamber 1 and a heat 96 that the gases are forced through t e chainchamber 2 placed alongside of said distillaber of distillation in the horizontal direc tion chamber 1 and in which the heat radiation overthe distillation mass which is tors 3 are located. It has been found that I spread in thin layers on floors of trucks it is difiicult to obtain sufficient tightness of:

which are placed ina row in the distillation furnaces of this type, and the exit-ire furnace 100 chamber and are connected with one another is therefore preferably made of sheet iron. in such manner that each floor forms a con- Such a furnace radiating much heat, howtinuous horizontal passage throughout the ever, it is preferred to insulate the same by to entire row of trucks.' In this manner the means of an exterior brickwork, not illusresistance to the flow of the gases becomes trated in the drawing, which is provided at 105 considerably decreased, and at the same such distance from the furnace walls that.

. tim the heat of the gases will be utilized between said walls and the brickwork there as completely as possible. 4 The circulating will be a heat insulating airspace- If sev- 50 1! The h wever need 'notfiiepess i ilj description andfrom t'hef drawing, The

oral furnaces'are built one alongside the insuch manner that the innermost tri ck other, they may be separated ,from' each of the row meiyl be tightly connected with other by means of thinner brickwork. the same, so t h The distillation chamber 1 and-the heat the h ch m er) ef r d directly into chamber 2 communicate with one another flf 68 ed b th ffiqQrsoof the at both; ends, namely afi the 'n'eg r endm truc s. n the pert 15 there are provided the right in Fi s; Land 2t hrou h the 3pc: num e f Pa 9 -'T ve to 4 and the fan 5, and at the front end by distribute the 'gases'i'nto -seid,different pasthe' front endiof the furnace, so that an" I immediately before by the, fan opening 7 is formed at this end. "The dis-- he 58 tq bedrydistilled being spread tilletion chamber is' provided at the front liq i tai -.9 h 'm1 l bethe partition (Sending at a distance from i g v e gases have become .mixed end-to the left in Figs. 1 f nd 2--with a mg, moreover, still licjid'also diiring the opening to be closed by means of a'kloor 8 first part. O .the' "d i-lla fl i ttoms and serving for introducmgimd removing a Pl at, 0116' 50th f t e open the trucks 9 which are preferably adapted to ends e tru k with i c d edges 17 run onriii'ls sothatthey' form. gcont-inuou or flaps to be let down which may have a "row which fill-s practically completely the h h of 'Q-c m d pen in p v entireflistillation chamber with the,-.exeep'-- U 9 th ik lfi-y fiofsubstancet f tibn "of the part of.siiidrc'haiiiber- 1ocated1,. layers e e k es ifimei to s i'eiir'est to",the door 8.- Fromthis 'part'oi Stationaryedges inclined upivards and outmdiiitdrsYB in-"the: heatjchamber-consis't fdi ti l ti n-frqm vtlie QMW S; In this f a g bent g gn p q fiter' instance, howe er -the ied' 'es' ,miietv fi'owfrom one enidto the-Other'ofthe chaiii qi d-"-'-' e finch h gbeing I i 12 in Fig. The gases. oidistililetion flow] order ee between the 4 theftruclgs a re indicated by' -the arrows-13 in 'F'ig. .2.- ,In vp y p -mm- S II S 0' the distillation chamber. leads a; pipe Wards, flfi g y i soithiit' 9" r s e 9 fb]; 'drgwi ff. h; gases f; di till ti ,distil liitionylywhich" 'owi i jto .con'tr'action which iire tobe removed from the'i irnacer i g i 91 F fiibottoms, Y

eiid' coriducted.to 2i condenser orx/to another my yi y t-l f v ,1 one "riods of -the distillation processwlwn stealm" e i r z het d i P m i t I f erebl y -made as' fiapsatmbe' let down so that i Ii f'thefembodiment illustralted tliej heiitil obstacl-i-to mo h residue throi gh. whi -pipe gases of; combustion be' tightened' beforegeachq new {filling with through the heat; chamber -i-nthe direction 'e QW:

place-of such heat radiatOrQthi-Oi gh vlii h' -simi'lar couplings by mezmsbf which they gases. ofcombustionflpw,.glectric tlieafje js maybe tightly;;connected to v one. a'not-heii ne also bemsed, if desiredg .1,

I fat the ends'. =Tightncssibetween the innerlie t'r icksr9 consist of" beetinetiil boxes 1 uc i P 1 W -,a n d regr openhavin 5 w grQss s egtiox dn d pp t; 111g :offthe distillation chamber ingiy'befobing ofthe distillatibnchember l, which WecIeim other into umberi:fio rsgach gr which" pm y usedwelse t i e i'i tending in the longitudinal d irectio ofilil iQ f i fi d' 1. 3 i 1 w d in-Figtruck. It 4is,--importent,j hov' veveif;-

e operation of the mace described at the .gases flowing from the mannei; showi 'in Fig. 1",? the fliiorsiom imassfto 'tlie,; co nperi tively "low; term m, continuous horizontal assages *thr'oirghoiit es, 5 9. :Q

the-entire row of trues; "Thei' repen; carrying out opening ooinmiihicates through: a'iicon'ieeilyx I 11-. In-z furiace ,edisltilliition of tapering part 15 with the fene isiarrefiged waste liquor and, sim le combiaii the -mostyreq in .for y I. w best e" .{nationef a heat elements.

a number otfloors 'for recei the materi l to be; dapted' to be-connected to oneanother in 'a IOiW'in such manner that said floors -form .continnous horizontal passages through said [0 Agald usages m'sa'id'row of. ti'ucks.-' ;-2." a for dry"distillation ofwaste-1i no: and similar nmes, the 'combi- 1| nation d f nzheat chamber, heating elements insaidheat chamber, a distillation chamber communica at both ends with said heat true in said distillation chamber the mg in a :a lwmgga number of floors for receivin ll- 'lnatenal to be distilled, said trucks I adapted to be connected to one another row-'in such manner that !said floors formcontinuous horiz'ontal passa throug'lfsaid row of trucks,--ahd means; or effecting cirll culation of rinsaid chambers and 'd illation' chamberfhaving atfone end I -bpening forintroducing and remo .said trucks and havini-at 1ts other end an Id opening to the:heat c amber'arranged in such manner that an adjacent truck may be ;tightly, connected to. said openin so that from the heat chamber may rectly into said passages insaid row of 8. In afurnace for dry distillation of waste li uor and similar masses, the combination o a heat chamber heating elements in said heat chamber, a distillation chamber communicating at. both ends with said heat chamber, trucks in said distillation chamber hay' anumbfer of floors for receiving the material to be distilled, said trucks being adapted to be connected to one another in a row in such manner that said floors form'continuous horizontal I a I nf-trucks, means-for e i ecting circulation of in sard'chambers and'through said paschamber having :at one and an opening for -introducingfl an I oving sai d trucks and hard at itseother en'dan peningito the I ber arranged in am; manner that anlaqimnt h f h h tosai o n set at 'ases romIt e 'eat chamber'giag' fle fo j n said row offtrucks, and partitions in said second opening servi' to distribute tin v from the heat ichai 'nfiier-into M 1 -m'said row'oftrncks.

-rinisaid heat chamber, '1 distillation chamber waste communicating-rat ends with said heat chamber, trucks in said distillation-chamber" J'clistilled, said trucks a arowfof trucks-and means for'jefiectin eil-cu =-..lation of gasesjn said chambers and t ugh throu h said passages insaid row of trucks,.

forced v through said row I cages in eud rowof trucks, said distillation truck may be tightly connected .fiirectIy into said la "fl. t furnace distillation of 'a heat. chamber; heating elements 11 let its 4 arranged f in such nianner th at a'nj adjacent t k y b fiiis'h iiesm wd s id n ing so that 'fro'mtheheat chamber may be forced directly into peinsaid row of trucks, partitions i n said'second dpening servin to distribute the gases frolnthe of trucks,-jand a' fan loca I I partitions and serving to forcethe'g'ases from the heat chamber through said second opening between said partitions and .-into. said passe es insaid rowof ;truclm. 5.

n a .furnace for waste li nation 0 I in said heat chamber, a distillationchamber "communicatingat both endsiwith said ,heat

ends and a-number 'of 'iloors ham ,0

f with mclmedfedges at least at onegfenaiitf each truck, said trucks being adap r 'into..,the passa esin-said'row adjacent said I dii'aisninnon off 'uo'r and similar massem thecombia heat chamber, heating elements.

chamber, trucks in said distillation chamber connected to one another inta row in stich manner that said floors form continuous hor" izontal passages through said row of trucks, and means for efiectin circulation of gases in said chambers and'ti in said row of trucks;

6. waste liquor and similar-masses, the combination of a heat chamber, .heating elements in said heat chamber, a distillation hamber In afurnace: for dry distillation iof communicating at both ends with said heat chamber, trucks in said distillation chamber I havmg .a-number of floors'for receiving the material tobe distilled, said trucks being provided with means for ti htly connecting the same toone another emf to end in 'a row in such manner that said floors form 0011- tinuons horizontal passages through said row of- .trucks, and means or efi'ectin circa-- 'tion' ofgases in said chambers andti said passages in said row of trucks.

' ERIK LUDVIG RINMAN. I GUNNAR FREDRIK MAGNUSON.

rough 100 I rough said p :C! f 

